Abstract
The genus Idioderma is reviewed; I. virescens Van Duzee from Florida and I. picta Osbom from Cuba are considered valid species. I. varia Van Duzee, a junior synonym of I, virescens, represents a dark-color morph. Adults of I. virescens and I. varia are redescribed; their genitalia are described and illustrated. Immature stages of I. virescens are described, and the distribution of this species is discussed. The native host plant of I. virescens upon which it oviposits and the immature stages develop, is saw palmetto, Seronoa repens (Bartram). Pygmy date palm, Phoenix roebelenii O'Brien, is an introduced ornamental on which I. virescens can also reproduce. Saw palmetto is distributed throughout Florida and along the coastal plains from South Carolina to Louisiana, yet no established populations of the treehopper have been found outside Florida. All stages of I. virescens can be found throughout the year, but the peak population of nymphs coincides with the peak bloom of saw palmetto. When the host plant is reproductively dormant, I. virescens adults disperse and have been collected on several other species of palms. I. virescens has four to five generations per season in central Florida, with the highest nymphal populations occurring from March to August. Nymphs aggregate and are often tended by ants which collect honeydew from the nymphs and protect them. Different color morphs are present in both males and nymphal populations of I. virescens. The darker color morphs seem to increase the cryptic coloration of individuals to saw palmetto inflorescence which can become covered with sooty mold fungi. No dark color morphs were found in females of I. virescens.
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Claims 4
Claim · model-written summary
Saw palmetto is the native host on which I. virescens reproduces.
- Taxon
- saw palmetto
Serenoa repense0 - Interactor
- I. virescens
Idioderma virescense0pest - Outcome
- oviposits and the immature stages develope0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The native host plant of I. virescens upon which it oviposits and the immature stages develop, is saw palmetto, Seronoa repens (Bartram)”
Claim · model-written summary
I. virescens can also reproduce on pygmy date palm.
- Taxon
- Pygmy date palme0
- Interactor
- I. virescensIdioderma virescense0pest
- Outcome
- I. virescens can also reproducee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pygmy date palm, Phoenix roebelenii O’Brien, is an introduced ornamental on which I. virescens can also reproduce”
Claim · model-written summary
Nymph population peak coincides with saw palmetto peak bloom.
- Taxon
- saw palmettoSerenoa repense0
- Organ / stage
- peak bloome0
- Interactor
- I. virescensIdioderma virescense1pest
- Outcome
- peak population of nymphse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the peak population of nymphs coincides with the peak bloom of saw palmetto”
e1“All stages of I. virescens can be found throughout the year”
Claim · model-written summary
Adults disperse when the host is reproductively dormant.
- Taxon
- saw palmettoSerenoa repense1
- Organ / stage
- reproductively dormante0
- Interactor
- I. virescensIdioderma virescense0pest
- Outcome
- I. virescens adults dispersee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the host plant is reproductively dormant, I. virescens adults disperse and have been collected on several other species of palms”
e1“peak bloom of saw palmetto”